Cap

Can use any comfortable caps for you, or create your own cap (DIY cap). Here you can find step by step ***instructions (opens in a new tab) ***how to do that.

We usually use Cap (opens in a new tab) made of nylon material. All PiEEG devices have a connection Connector Header Through Hole - 2.54mm, so if you use some other caps you need confirm that connctors  has the same view

to connect the Header in PiEEG devices, that have the next pins

With dry or wet, electrodes are placed according to the international 10-20 system for electrode placement.